INT32
mtk_wcn_cmb_hw_pwr_off (VOID)
{
INT32 iRet = 0;
WMT_INFO_FUNC("CMB-HW, hw_pwr_off start\n");
/*1. disable irq --> should be done when do wmt-ic swDeinit period*/
// TODO:[FixMe][GeorgeKuo] clarify this
/*2. set bgf eint/all/wifi eint to deinit state, namely input low state*/
iRet += wmt_plat_eirq_ctrl(PIN_BGF_EINT, PIN_STA_EINT_DIS);
WMT_INFO_FUNC("CMB-HW, BGF_EINT IRQ disabled\n");
iRet += wmt_plat_eirq_ctrl(PIN_BGF_EINT, PIN_STA_DEINIT);
WMT_INFO_FUNC("CMB-HW, BGF_EINT IRQ unregistered\n");
iRet += wmt_plat_gpio_ctrl(PIN_BGF_EINT, PIN_STA_DEINIT);
/* 2.1 set ALL_EINT pin to correct state even it is not used currently */
iRet += wmt_plat_eirq_ctrl(PIN_ALL_EINT, PIN_STA_EINT_DIS);
WMT_INFO_FUNC("CMB-HW, ALL_EINT IRQ unregistered and disabled\n");
iRet += wmt_plat_gpio_ctrl(PIN_ALL_EINT, PIN_STA_DEINIT);
/* 2.2 set WIFI_EINT pin to correct state*/
//iRet += wmt_plat_eirq_ctrl(PIN_WIFI_EINT, PIN_STA_EINT_DIS);
//WMT_INFO_FUNC("CMB-HW, WIFI_EINT IRQ unregistered and disabled\n");
//iRet += wmt_plat_gpio_ctrl(PIN_WIFI_EINT, PIN_STA_DEINIT);
/* 2.3 deinit gps sync */
iRet += wmt_plat_gpio_ctrl(PIN_GPS_SYNC, PIN_STA_DEINIT);
/*3. set audio interface to CMB_STUB_AIF_0, BT PCM OFF, I2S OFF*/
iRet += wmt_plat_audio_ctrl(CMB_STUB_AIF_0, CMB_STUB_AIF_CTRL_DIS);
/*4. set control gpio into deinit state, namely input low state*/
iRet += wmt_plat_gpio_ctrl(PIN_SDIO_GRP, PIN_STA_DEINIT);
iRet += wmt_plat_gpio_ctrl(PIN_RST, PIN_STA_OUT_L);
iRet += wmt_plat_gpio_ctrl(PIN_PMU, PIN_STA_OUT_L);
/*5. set uart tx/rx into deinit state, namely input low state*/
iRet += wmt_plat_gpio_ctrl(PIN_UART_GRP, PIN_STA_DEINIT);
/* 6. Last, LDO output low */
iRet += wmt_plat_gpio_ctrl(PIN_LDO, PIN_STA_OUT_L);
/*7. deinit gps_lna*/
iRet += wmt_plat_gpio_ctrl(PIN_GPS_LNA, PIN_STA_DEINIT);
/* deinit RST/PMU/LDO */
iRet += wmt_plat_gpio_ctrl(PIN_RST, PIN_STA_DEINIT);
iRet += wmt_plat_gpio_ctrl(PIN_PMU, PIN_STA_DEINIT);
iRet += wmt_plat_gpio_ctrl(PIN_LDO, PIN_STA_DEINIT);
WMT_INFO_FUNC("CMB-HW, hw_pwr_off finish\n");
return iRet;
}
INT32
mtk_wcn_cmb_hw_pwr_on (VOID)
{
static UINT32 _pwr_first_time = 1;
INT32 iRet = 0;
WMT_INFO_FUNC("CMB-HW, hw_pwr_on start\n");
#if 0 //IRQ should in inact state before power on, so this step is not needed
/* disable interrupt firstly */
iRet += wmt_plat_eirq_ctrl(PIN_BGF_EINT, PIN_STA_EINT_DIS);
iRet += wmt_plat_eirq_ctrl(PIN_ALL_EINT, PIN_STA_EINT_DIS);
#endif
/*set all control and eint gpio to init state, namely input low mode*/
iRet += wmt_plat_gpio_ctrl(PIN_LDO, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_PMU, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_RST, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_SDIO_GRP, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_BGF_EINT, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_ALL_EINT, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_GPS_SYNC, PIN_STA_INIT);
iRet += wmt_plat_gpio_ctrl(PIN_GPS_LNA, PIN_STA_INIT);
// wmt_plat_gpio_ctrl(PIN_WIFI_EINT, PIN_STA_INIT); /* WIFI_EINT is controlled by SDIO host driver */
// TODO: [FixMe][George]:WIFI_EINT is used in common SDIO
/*1. pull high LDO to supply power to chip*/
iRet += wmt_plat_gpio_ctrl(PIN_LDO, PIN_STA_OUT_H);
osal_msleep(gPwrSeqTime.ldoStableTime);
/* 2. export RTC clock to chip*/
if (_pwr_first_time) {
/* rtc clock should be output all the time, so no need to enable output again*/
iRet += wmt_plat_gpio_ctrl(PIN_RTC, PIN_STA_INIT);
osal_msleep(gPwrSeqTime.rtcStableTime);
WMT_INFO_FUNC("CMB-HW, rtc clock exported\n");
}
/*3. set UART Tx/Rx to UART mode*/
iRet += wmt_plat_gpio_ctrl(PIN_UART_GRP, PIN_STA_INIT);
/*4. PMU->output low, RST->output low, sleep off stable time*/
iRet += wmt_plat_gpio_ctrl(PIN_PMU, PIN_STA_OUT_L);
iRet += wmt_plat_gpio_ctrl(PIN_RST, PIN_STA_OUT_L);
osal_msleep(gPwrSeqTime.offStableTime);
/*5. PMU->output high, sleep rst stable time*/
iRet += wmt_plat_gpio_ctrl(PIN_PMU, PIN_STA_OUT_H);
osal_msleep(gPwrSeqTime.rstStableTime);
/*6. RST->output high, sleep on stable time*/
iRet += wmt_plat_gpio_ctrl(PIN_RST, PIN_STA_OUT_H);
osal_msleep(gPwrSeqTime.onStableTime);
/*7. set audio interface to CMB_STUB_AIF_1, BT PCM ON, I2S OFF*/
/* BT PCM bus default mode. Real control is done by audio */
iRet += wmt_plat_audio_ctrl(CMB_STUB_AIF_1, CMB_STUB_AIF_CTRL_DIS);
/*8. set EINT< -ommited-> move this to WMT-IC module, where common sdio interface will be identified and do proper operation*/
// TODO: [FixMe][GeorgeKuo] double check if BGF_INT is implemented ok
iRet += wmt_plat_gpio_ctrl(PIN_BGF_EINT, PIN_STA_MUX);
iRet += wmt_plat_eirq_ctrl(PIN_BGF_EINT, PIN_STA_INIT);
iRet += wmt_plat_eirq_ctrl(PIN_BGF_EINT, PIN_STA_EINT_DIS);
WMT_INFO_FUNC("CMB-HW, BGF_EINT IRQ registered and disabled \n");
/* 8.1 set ALL_EINT pin to correct state even it is not used currently */
iRet += wmt_plat_gpio_ctrl(PIN_ALL_EINT, PIN_STA_MUX);
iRet += wmt_plat_eirq_ctrl(PIN_ALL_EINT, PIN_STA_INIT);
iRet += wmt_plat_eirq_ctrl(PIN_ALL_EINT, PIN_STA_EINT_DIS);
WMT_INFO_FUNC("CMB-HW, hw_pwr_on finish (%d)\n", iRet);
_pwr_first_time = 0;
return iRet;
}
